package com.itheima.ydd.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.itheima.ydd.entry.YddAdvimg;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
@Mapper
public interface YddAdvimgMapper extends BaseMapper<YddAdvimg> {

    @Select("select advposname from ydd_advpos where id = #{advimgpos}")
    String SelectAdvposname(String advimgpos);
}
